rtc: ds1307: Clear OSF flag on DS1388 when setting time
authorChris Packham <chris.packham@alliedtelesis.co.nz>
Tue, 18 Aug 2020 01:35:43 +0000 (13:35 +1200)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Thu, 20 Aug 2020 22:19:55 +0000 (00:19 +0200)
Ensure the OSF flag is cleared on the DS1388 when the clock is set.

Fixes: df11b323b16f ("rtc: ds1307: handle oscillator failure flags for ds1388 variant")
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200818013543.4283-1-chris.packham@alliedtelesis.co.nz
drivers/rtc/rtc-ds1307.c

index 2182f4e97c0a3977d7a1702e1e43ed4bde7a1c19..8f4ddbaa2052239a2e9e9696e5ba8f0fad03e9db 100644 (file)
@@ -353,6 +353,10 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
                regmap_update_bits(ds1307->regmap, DS1340_REG_FLAG,
                                   DS1340_BIT_OSF, 0);
                break;
+       case ds_1388:
+               regmap_update_bits(ds1307->regmap, DS1388_REG_FLAG,
+                                  DS1388_BIT_OSF, 0);
+               break;
        case mcp794xx:
                /*
                 * these bits were cleared when preparing the date/time